WO2009026888A1 - Système de reproduction d'images stéréoscopiques - Google Patents

Système de reproduction d'images stéréoscopiques Download PDF

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Publication number
WO2009026888A1
WO2009026888A1 PCT/DE2008/001370 DE2008001370W WO2009026888A1 WO 2009026888 A1 WO2009026888 A1 WO 2009026888A1 DE 2008001370 W DE2008001370 W DE 2008001370W WO 2009026888 A1 WO2009026888 A1 WO 2009026888A1
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WO
WIPO (PCT)
Prior art keywords
image
light sources
stereo
color
light
Prior art date
Application number
PCT/DE2008/001370
Other languages
German (de)
English (en)
Inventor
Arnold Simon
Thomas Müller
Helmut Jorke
Original Assignee
Infitec Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Infitec Gmbh filed Critical Infitec Gmbh
Priority to JP2010522180A priority Critical patent/JP5254336B2/ja
Priority to EP08801193A priority patent/EP2399165A1/fr
Publication of WO2009026888A1 publication Critical patent/WO2009026888A1/fr
Priority to US12/714,917 priority patent/US9116356B2/en

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B35/00—Stereoscopic photography
    • G03B35/18—Stereoscopic photography by simultaneous viewing
    • G03B35/26—Stereoscopic photography by simultaneous viewing using polarised or coloured light separating different viewpoint images
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/23—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using wavelength separation, e.g. using anaglyph techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/324—Colour aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/334—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using spectral multiplexing

Definitions

  • the invention relates to a system for the stereoscopic reproduction of images, in particular of video clips, films, etc.
  • the anaglyph technique has long been known: A simple red / green overlay of the two left / right partial images and a view of the summation image by means of filter glasses, which allow only the corresponding color component for each eye, create a stereoscopic impression for the observer.
  • a disadvantage is the system-related color filtering, so that no realistic color images can be reproduced with this technique.
  • Another method that is occasionally used on television is the PuIfrich method. Again, spectacles are used for viewing, but the beam path is darkened more for one eye than for the other. Refer to color ⁇ glasses are often used as well (for cost reasons), although it is only the different darkening. Due to the different brightness, the visual information is slightly delayed to the processing areas of the brain. If an illustrated scene moves at a right angle to the viewer, the temporal delay of the perception of an eye causes parallax and the scene is perceived spatially.
  • the advantage of this technique is the simplicity of the rendering technique. The disadvantage is that the scene must be constantly in motion, which is often felt after some time as unpleasant. In addition, the scene must always move in the same direction, otherwise the depth information would be reversed. Also, the movement speed must be kept constant, otherwise the depth information is not reproduced correctly.
  • the right / left components are separated by so-called shutter glasses, which by means of electrically switchable polarizing filters block the light, e.g. from a monitor or projector, let through alternately only to the right or left eye of the viewer.
  • the shutter glasses are synchronized with the playback device (e.g., monitor), so that only the respective fields will reach the left or right eye of the alternating sequence of left / right fields shown there.
  • the playback device e.g., monitor
  • this technique provides true-to-color reproduction, it has the disadvantage that the brightness is greatly reduced, since (alternately) the image is perceived only by one eye of the observer (ie only half the total brightness of the monitor) and in addition the polarization filters already to absorb light (also in the passage phase).
  • the constant left / right blanking requires a very high refresh rate (at least 120-160Hz) so that a disturbing flicker effect is suppressed.
  • Another principle is based on the interference filter technique.
  • a method for producing an optically three-dimensionally perceptible image reproduction using the interference filter technique or a corresponding stereo projection system is known from DE 199 24 167 B4.
  • two interference filters are used for projection used different spectral filtering effect.
  • the passage areas of the two filters are arranged offset from each other so arranged that they show no overlap and thus formed orthogonal to each other.
  • two mutually orthogonal interference filters each of which shows three transmission ranges for the three primary valences in the area of blue, green and red color perception, two separate images can be realized, one for the left eye and one for the right eye, with the aid of which a three-dimensional perceptible image can be projected onto a screen.
  • This image is selectively perceived by a viewer through the separated eyes by having spectacles whose left lens shows a filter characteristic corresponding to the one interference filter and the right lens shows a filter characteristic corresponding to the other interference filter.
  • the two images on the screen can be safely separated from each other eye-specifically and produce the stereo effect or the three-dimensional effect of the images in the viewer. This is also referred to as the wavelength division multiplex method.
  • the present invention has for its object to provide a system for reproducing stereo images with a display unit, which shows a good color reproduction and also shows a simple and inexpensive structure.
  • the object is achieved by the system for reproducing stereo images with the features according to claim 1.
  • the system according to the invention for reproducing stereo images is characterized by the concept of integrating the Wavelength multiplexing method for backlighting the pixel array of the display unit with the concept of time multiplexing of the backlight in conjunction with the corresponding time division multiplex of the control of the pixel array of the display unit with the "left" and "right” images of the stereo images.
  • This ensures that the image data of the stereo images are displayed sequentially in accordance with the time-division multiplex concept with the aid of the pixel array and at the same time be made distinguishable and thus separable with the help of the wavelength-multiplex concept.
  • the separation of the stereo images is then carried out by the viewer's stereo glasses whose spectacle lenses are designed according to the wavelength division multiplexing method and correspond to the spectral characteristics of the selective backlighting.
  • This novel approach to a system for reproducing stereo images ensures a very secure separation of the stereo images, without resulting in significant costs for the realization of the display unit.
  • the display unit according to the invention is essentially independent of the pixel array technology used, so that the respective suitable pixel array technology, eg LCD, TFT technology and the like can be used depending on the other technical, in particular the external conditions or cost-related framework conditions.
  • the system according to the invention is characterized by the very low to nonexistent crosstalk behavior of the two stereo channels and by a very good wearing comfort of the glasses and the mobility of the user mechanically and electrically decoupled from the display unit glasses.
  • the at least two light sources of the type of light source are realized identically.
  • light emitting diodes which are designed in particular as a linear arrangement of LEDs
  • luminescent tubes or gas discharge lamps have proven to be preferably rod-shaped halogen lamps or flash lamps.
  • These represent very bright and compact light sources for the light sources of the display unit, which are also characterized by a reduced heat development and thereby allow a very compact and less prone realization of the display unit according to the invention.
  • the display unit is provided with a flat, cuboid housing, the extent of which is essentially determined by the format of the pixel array.
  • the light sources are selected to include light sources that generate the light for full-area illumination of the pixel array in such a way that they generate light without additional components that emit a plurality of narrow, separate spectral regions such that the one light source emits spectral regions. which are orthogonal to the spectral regions of the other light source or light sources. This makes it possible to keep the number of components low by the appropriate choice of lighting sources and thereby to realize the system for reproducing stereo images very simple and less prone.
  • An exemplary embodiment of the invention is characterized in that the color filters for the two images of the stereo image in the display unit and / or in the glasses of the stereo glasses are formed so that the number of transmitting intervals compared to the known prior art are numerically reduced.
  • the invention shows a number of transmitting intervals for the two perspective partial images, which is equal to or smaller than 6, in particular 5 or 4. Of these 5 or less transmitting intervals which are mutually non-overlapping, at least one transmissive interval exhibits an arrangement in the range of two color perceptions of blue (B), green (G) or red (R).
  • the other transmissive intervals are arranged in the frequency spectrum so that they are arranged in the region of a single color perception, ie blue or green or red.
  • transmissive intervals for color perception preferably exhibit a bandwidth in the range of about 30 nm or noticeably below that, allowing for secure demarcation and placement within a range of color perception, and for safe separation from the other transmissive intervals.
  • the transmitting intervals are arranged so that they have a sufficient distance from each other.
  • a selected system for reproducing Proven stereo images in which all light sources are on the same side of the pixel array as the viewer with its associated stereo glasses.
  • the pixel array is exposed to the incident light of the plurality of light sources, which makes it possible to realize a very large-scale pixel array, which is illuminated by remote light sources over the entire area, without causing any visual impairment of the reproduction of the stereo images.
  • Particularly compact embodiments of the display unit according to the invention are made possible by the preferred use of light guides for the light distribution of the light of the light sources in the direction of the pixel array.
  • the arrangement of the light sources on the other side of the pixel array relative to the viewer operation even under difficult optical conditions is possible even in the presence of stray light, which significantly extends the capabilities of the system according to the invention and thereby reduces the requirements of the individual components of the system according to the invention, which goes hand in hand with a reduction in the overall costs of the system according to the invention.
  • a particularly preferred realization of the system according to the invention shows one or more optical waveguides for the most uniform, flat light distribution in the direction of the pixel array.
  • At least one light guide shows several end faces for receiving the light of multiple light sources.
  • Each end face is associated with a light source of a light source, which preferably has a broadband radiation characteristic and which is provided with a filter with a plurality of narrow-band transmission areas for the realization of the orthogonal spectral ranges of the different light sources.
  • the filter of a light source is applied or arranged directly on the end face of the light guide associated with the light source, in particular by gluing. This ensures a very safe and low-loss coupling of the light from the light source into the light guide.
  • the various light sources which couple into different end faces of the light guide, are photometrically separated from one another by an opaque separating layer or partition, such that crosstalk of the light sources sequentially and thus operated in time multiplex is reliably prevented, even in an entangled mode ,
  • an opaque separating layer or partition such that crosstalk of the light sources sequentially and thus operated in time multiplex is reliably prevented, even in an entangled mode .
  • the pixel array is spatially divided into different, separate segments.
  • the pixel array is separated into two vertically separated segments, an upper and a lower segment.
  • the light sources are designed and controlled such that they can act on the individual segments selectively and sequentially with light, wherein the pixels of the pixel array are driven in segments so that at the time the illumination of the respective segments, the respective segment is acted upon with the image information and the segment can thus reproduce the desired image in the region of the segment.
  • the display unit is designed such that the time span for the construction of an image is chosen to be greater than the time span of illumination of the pixel array for this image of the stereo image. This makes it possible to ensure that there is sufficient time in the gap between the illumination of the pixel array by one light source that the other light source can reliably and reliably complete its illumination and thus the reproduction of the other image of the stereo image. This makes it possible to realize a very pleasant reproduction of the stereo image.
  • the stereo glasses are selected with spectacle lenses, depending on the number of persons who want to use the system for reproducing stereo images at the same time.
  • the optical properties of the lenses are chosen so that they are preferably identical to the optical properties of the corresponding filter in the display unit.
  • the spectacle lenses are not completely identical in their filter properties to those of the filters in the display unit but rather are designed to correspond to one another.
  • differences in the manufacturing quality or in the design can be purposefully used or used to ensure that certain advantageous presentation situations can be achieved.
  • an exchange of two transmitting intervals between corresponding filters (right side opposite left side or right image of the stereo image opposite the left image of the stereo image) within a color, that is within a color perception occurs, in addition at least one merge of two adjacent, transmitting intervals to a common transmitting Interval, which extends over two color perception areas.
  • the sum of the transmittive spectral intervals in the filter of the display unit is reduced from 6 to 5.
  • an exchange of the assigned color image data to be displayed is carried out in accordance with the permutation of the transmitting intervals, thereby achieving an entanglement of the stereo image data with the two light sources of the display unit.
  • the temporal separation of the reproduction of the two images (left and right) of the stereo images is canceled according to the invention, thereby making it possible to bridge the temporal gaps between the representation of the left images of the stereo images resulting from the fact that in the gap the other, right Pictures of the stereo images are presented to fill with images or image information in the permuted color.
  • FIG. 1 is a schematic representation of a system according to the invention for reproducing stereo images
  • Fig. 2 shows a timing of the activities of a display unit according to the invention
  • FIG. 3 shows an exemplary construction of a display unit according to the invention with a light guide
  • Fig. 3a is a detail of Fig. 3 with the light guide
  • 4 shows a schematic representation of a further exemplary system according to the invention for reproducing stereo images
  • 5 shows a schematic illustration of another exemplary system according to the invention for reproducing stereo images with a segmented pixel array
  • FIG. 6 shows a time sequence of the activities of the display unit according to the invention from FIG. 5
  • FIG. 9 is a schematic representation of another exemplary inventive system with entangled operation
  • FIG. 10 shows a spectral distribution of the transmitting intervals according to an exemplary system according to the invention for a stereo eyeglass and for a display unit with entangled operation
  • Fig. 11 is a time sequence of the projected and perceivable color image data of an exemplary system according to the invention in operation ver ⁇ ssenem
  • the present invention enables the low-cost use of wavelength division multiplexing with conventional display technologies.
  • An exemplary system according to the invention for reproducing stereo images is shown in FIG.
  • two light sources 1 and 2 each having different orthogonal spectral characteristics are sequentially switched in synchronism with two different image contents (right and left images of the stereo image, respectively) displayed on an LCD pixel array 5.
  • the different, mutually orthogonal spectral regions of the two light sources 1 and 2 are generated by the filters 3 and 4.
  • Image content and spectral ranges of the light sources 1 and 2 are synchronized in time so that both eyes of the viewer 7, a colored, but individual eye image can be provided.
  • the separation of the image content on the eye of the beholder is done by the glasses 6, whose glasses pass through the spectral ranges belonging to the respective eye (right eye - right image or left eye - left image), and suppress the other spectral areas accordingly.
  • filter 1 of the display unit has the same three spectral transmission ranges as one of glasses of glasses 6 and like the other filter 2 of the display unit has the same spectral transmission ranges as the other glass of the glasses 6.
  • the transmission ranges are arranged in the spectrum that On the one hand they can each span a large color space, on the other hand they have no common passband (orthogonality).
  • the transmission regions of a filter are each arranged in the region of a color perception (red, green, blue) and show a half-value width of about 30 nm typical according to the invention.
  • the LCD pixel array of representing a Au ⁇ ges the image content 5
  • the light source 1 is active and light source ⁇ 2 disabled while the LCD pixel array 5 short Time later, the image represents the other eye, light source 2 is active and light source 1 is deactivated.
  • the sequential change between these two modes is advantageously so fast that the user can not perceive it.
  • the image data are thus reproduced in time division multiplex operation by the LCD pixel array 5.
  • the eye-selective separation of these stereo images reproduced in the time-multiplex operation by the LCD pixel array 5 is then carried out according to the invention according to the wavelength-multiplex concept.
  • the timing of the brightness of both light sources 1 and 2 is shown in FIG.
  • the three-dimensional image reproduction takes place in four phases:
  • Phase A describes the time for the data transmission of the image data to the pixel array 5 and the settling time of the LCD cells.
  • phase B light source 1 is active, illuminated by filter 3, the pixel array 5 over the entire surface and represents the one image of the stereo image. Due to glasses 6, it is visible only to an eye with corresponding filter properties of the lens.
  • the phases C and D repeat these phases correspondingly to the light source 2 as well as the image content intended for the other eye.
  • the illumination of the pixel array 5 can take place directly as shown in FIG. 1 or by the uniform decoupling of light from an optical waveguide 8 as shown in FIG. In FIGS. 3 and 3a, the section through a display unit or a part thereof is shown.
  • Light source 1 couples via filter 3 in the light guide 8, 2 bulbs coupled via filter 4 as well in the light guide 8 a. Both bulbs are separated by the light-tight demarcation wall 9. are Filters 3 and 4 designed as an interference filter, the light of the other light source 2 and 1 is reflected and also coupled into the light guide 8.
  • the end faces of the light guide 8 are each provided with a filter 3, 4 with mutually orthogonal spectral passbands, by the filters 3, 4 are glued flat on the end faces.
  • Each filter 3, 4 is in this case irradiated by its own light source 1, 2.
  • the filaments are separated from each other by a wall 9 of opaque material. An undesirable crosstalk is thereby prevented.
  • the light sources 1, 2 are formed in this case as stabförmi- ge light sources such as a gas discharge lamp, a linear array of LEDs or a flashlamp.
  • LEDs with spectrally white transmission or as a combination of several colored LEDs selected in the appropriate spectral ranges are generally suitable for all types of coupling.
  • the illumination is subdivided in such a way that while in one segment the image is built up in one segment of the pixel array 5, another segment can be illuminated.
  • the segments 8a and 8b of the light guide 8 are separated by a separating layer 9 photometrically.
  • the time sequence is shown as an example for a lighting in two segments in Figure 6.
  • the lower field of the pixel array 5 is illuminated with the light source 2b, while the lower half represents the image for the second eye.
  • the upper half of the image is rebuilt so that it represents the content for the first eye.
  • time domain (F) only the upper half of the pixel array 5 is illuminated with light source Ia, while the lower half of the image is constructed with the content for the first eye.
  • time domain (E) the lower field is illuminated with light source Ib, while the lower half represents the image for the second eye.
  • the upper half of the image is rebuilt so that it represents the content for the second eye.
  • the screen layout is done in such a way that the illumination lags behind the image structure of the corresponding point in the display by a time that is as constant as possible.
  • This inventive segmentation with associated control makes it possible to shorten the dead times or dark phases for a single eye and thereby to produce a very pleasant stereo image reproduction behavior.
  • FIG. 7 shows exemplary transmission ranges of the filters 3, 4.
  • the filters 3, 4 represent Fabrice-Perrot interference filters, each of which has a filter charac- show characteristic that are orthogonal to each other.
  • 7 shows a filter characteristic of the two filters once for the left eye and thus for the one image of the stereo image and once for the right eye and thus for the other image of the stereo image, which are orthogonal to each other and thus no mutual overlap demonstrate.
  • the illustrated transmissive intervals Bl, B2, Gl, G2, R1 and R2 show no overlap and are spaced apart so that the two perspective partial images can be reliably reproduced separately from one another.
  • the individual transmissive intervals Bl, B2, Gl, G2, R1 and R2 are implemented as very narrow-band transmitting intervals with a bandwidth of about 20 nm half-width, of which the two intervals Bl and B2 in the blue color perception range, the two intervals Eq and G2 in the green color perception area and the two intervals R1 and R2 in the red color perception area of the human eye are arranged.
  • the interval R2 represents an outer and an open transmitting interval which has a steep edge and has a much less steep, not shown edge, edge.
  • another color characteristic according to the invention according to FIG. 10 is a kind of channel permutation, namely a kind of exchange of the interval R 1 from one image of the stereo image into the other image of the stereo image and the connection Rl is given with the interval G2, whereas in return the transmitting interval R2 is assigned to the other image of the stereo image.
  • Fig. 8a the transmitting intervals of a display unit and an associated stereo glasses are shown.
  • the stereo glasses show 6 narrow, limited transmitting intervals Bl *, Gl *, Rl * and B2 *, G2 *, R2 *.
  • the interference filters of the display unit also show 6 at the aforementioned intervals identical transmitting intervals Bl, Gl, Rl and B2, G2, R2.
  • FIG. 8b shows the time sequence of the displayed or perceptible image contents of the individual images of the stereo image. This is generated for example by means of a system according to FIG. 1. The reproduced by means of the display unit of the system with the interference filters according to Figure 8a and perceptible images of the stereo image are displayed alternately.
  • the left image of the stereo image is reproduced with the image information Bl, Gl, Rl generated by the respective intervals.
  • no image or image information and thus no color image data from the right image of the stereo image is projected.
  • no right picture of the stereo image is perceptible.
  • the right image of the stereo image with the color image data B2, G2, R2, which are generated by means of the corresponding intervals is displayed, whereas in this period, the left image of the stereo image is not displayed. Accordingly, only the right image of the stereo image can be perceived by the right lens of the stereo glasses, whereas no information of the left image of the stereo image can be perceived.
  • the frame rate of the display unit is selected to be high. This high frame rate leads to a considerable load on the components of the display unit. This burden leads to a reduced lifetime and leads to a significantly increased susceptibility of the display unit.
  • FIG. 10 shows, according to FIG. 8a, a spectral distribution of the interference filter spectra for the interference filters of the display unit of the system according to the invention or of the interference filters of the spectacle lenses of the stereo glasses.
  • the characteristic of the interference filters of the spectacle lenses of the stereo glasses shows 6 narrow intervals according to FIG. 1, whereas the intervals of the interference filters of the display unit show only four transmitting intervals.
  • the interference filter of the display unit for the left image of the stereo image shows a narrow interval Bl *, whereas the other interval due to a permutation of Gl * with G2 * by connecting the intervals G2 * with the interval Rl * represents a relatively wide interval
  • the display unit for the right image of the stereo image is one connected interval Gl * with B2 *, which is supplemented by the single, narrow interval R2 *.
  • the connected intervals extend into two color perception areas.
  • Fig. 11 the temporal order of the reproduced and recordable stereo image information or color image data for the left eye and the right eye, respectively, of a stereo image reproducing system of the present invention shown in Fig. 1 is used.
  • FIG. 11 is based on a spectral distribution of the transmitting intervals corresponding to FIG. 10 for the filters in a display unit.
  • the color image data associated with the interval G2 are then permuted to the interval G1 and thus represented with the aid of the other interference filters, this results in an alternating representation and thus possibility of perception of the color image data on the left eye, or on the right eye, the color image data for the green color perception area with the color image data of the other color Perception areas red and blue alternate. This is due to the additional permutation of the color image data so that the left eye can only perceive information for the left eye, and similarly, this also applies to the right eye. It should be noted that no permutation of the intervals for the stereo glasses has taken place, whereby their optical properties correspond to the optical properties of the non-permuted interference filter in the display unit. By the procedure described, it is possible to close the gaps in the reproduction for the respective eye according to FIG. 8b and thereby significantly limit the unwanted flickering.
  • a subjectively brightly perceived stereo image is achieved.
  • This design of the system also makes it possible to lower the frame rate without increasing the tendency to flicker or, if necessary, to increase the resolution of the stereo images to be displayed. Depending on the application, this can be done alternatively or in combination.
  • the relationship between the frame rate and the resolution is taken into account that the product of them represents the constant maximum bandwidth of the transmitted image data. Accordingly, for example, by decreasing the frame rate, the resolution can be increased.
  • the system described achieves a very comfortable and pleasant perception of stereo images, with the display unit of the system also being distinguished by its long lifetime and its convenient and cost-effective realization.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

L'invention concerne un système de reproduction d'images stéréoscopiques qui comprend une unité d'affichage, pourvue d'une matrice de pixels (5) permettant l'affichage de données d'image, laquelle matrice reproduit ces données de manière commandée et de manière séquentielle avec des données d'images stéréoscopiques, et d'une source lumineuse (1) destinée à éclairer toute la surface de la matrice de pixels (5), ainsi qu'une paire de lunettes (6) conçue pour fournir les données d'images stéréoscopiques reproduites, de façon visuellement sélective, à une personne (7) portant la paire de lunettes. Selon l'invention, l'unité d'affichage est pourvue d'au moins une autre source lumineuse (2) destinée à éclairer toute la surface de la matrice de pixels (5). Chaque source lumineuse (1, 2) est également conçue pour émettre de la lumière dans plusieurs domaines spectraux étroits et étendre ainsi un espace chromatique, les domaines spectraux des sources lumineuses (1, 2) étant orthogonaux les uns aux autres. L'invention concerne également une unité de commande faisant fonctionner les sources lumineuses (1, 2) de manière séquentielle. La paire de lunettes (6) est munie de verres dont les régions de transparence spectrales sont orthogonales les unes aux autres et correspondent aux domaines spectraux des sources lumineuses (1, 2), de sorte qu'une reproduction d'images stéréoscopiques fiable et économique est possible.
PCT/DE2008/001370 2007-08-31 2008-08-21 Système de reproduction d'images stéréoscopiques WO2009026888A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010522180A JP5254336B2 (ja) 2007-08-31 2008-08-21 ステレオ画像の再生システム
EP08801193A EP2399165A1 (fr) 2007-08-31 2008-08-21 Système de reproduction d'images stéréoscopiques
US12/714,917 US9116356B2 (en) 2007-08-31 2010-03-01 System for reproducing stereographic images

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200720012236 DE202007012236U1 (de) 2007-08-31 2007-08-31 System zur Wiedergabe von Stereobildern
DE202007012236.5 2007-08-31

Related Child Applications (1)

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US12/714,917 Continuation US9116356B2 (en) 2007-08-31 2010-03-01 System for reproducing stereographic images

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WO2009026888A1 true WO2009026888A1 (fr) 2009-03-05

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US (1) US9116356B2 (fr)
EP (1) EP2399165A1 (fr)
JP (1) JP5254336B2 (fr)
DE (1) DE202007012236U1 (fr)
WO (1) WO2009026888A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011005321A1 (fr) 2009-07-08 2011-01-13 Thomson Licensing Procédé et système pour la correction de couleur pour une projection tridimensionnelle (3d)
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WO2012059775A2 (fr) 2010-11-05 2012-05-10 Intesis D.O.O. Système de reproduction d'une image couleur 3d à l'aide d'une modulation en bande étroite de composantes monochromatiques de l'image
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JP2010537254A (ja) 2010-12-02
US20100149635A1 (en) 2010-06-17
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JP5254336B2 (ja) 2013-08-07
US9116356B2 (en) 2015-08-25

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